Home / 30,980.61-46,444.80-13,437.23

Finding the Fourth Proportional to 30,980.61, 46,444.80 and 13,437.23

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Solution

The fourth proportional to 30,980.61, 46,444.80 and 13,437.23 is: 20,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.61 : 46,444.80 = 13,437.23 : x
  2. Step 2: Convert to fraction form
    30,980.61/46,444.80 = 13,437.23/x
  3. Step 3: Cross multiply
    30,980.61x = 46,444.80 × 13,437.23
  4. Step 4: Simplify right side
    30,980.61x = 624,089,276.61
  5. Step 5: Solve for x
    x = 624,089,276.61/30,980.61
  6. Step 6: Final answer
    x = 20,144.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.